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Commit 722d5e4a authored by Jiri Slaby's avatar Jiri Slaby Committed by Linus Torvalds
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[PATCH] Char: mxser_new, do not null driver_data 



driver_data are initialzed to NULL from tty layer, no need to do it in the
driver.  In this case it cases oops, since driver_data may be NULL for a short
while for another closing process.

Signed-off-by: default avatarJiri Slaby <jirislaby@gmail.com>
Cc: <osv@javad.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f64c84a1

drivers/char/mxser_new.c

+0 −3
Original line number Diff line number Diff line
@@ -927,9 +927,6 @@ static int mxser_open(struct tty_struct *tty, struct file *filp) 
	struct mxser_port *info;

	int retval, line;



	/* initialize driver_data in case something fails */

	tty->driver_data = NULL;



	line = tty->index;

	if (line == MXSER_PORTS)

		return 0;